When an acid reacts with a metal carbonate or metal hydrogen carbonate, it gives the corresponding salt, gas and product. Name the gas and product?

Carbon dioxide, Water

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Carbon dioxide, Salt

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Hydrogen, Salt

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All of the above

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Solution

The correct option is A Carbon dioxide, Water
Acid + Metal carbonate $⟶$ Salt + Water + Carbon dioxide.

The gas is carbon dioxide and the product is water.
Example-
CaCO $_{3}$ (calcium carbonate-metal carbonate) + 2HCl $⟶$ CaCl $_{2}$ (calcium chloride-salt) + H $_{2}$ O + CO $_{2}$

Hence, option A is correct.

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Acetic acid reacts with carbonates or hydrogen carbonates to give corresponding salts, water and carbon dioxide.

Acid reacts with metal carbonate to give carbon dioxide as one of the products.

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